Leonids

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Leonids

(lee -ŏ-nidz) (November swarm) A periodic meteor shower that tends to be insignificant most years (ZHR about 10) but at 33-year intervals produces a spectacular meteor storm. The shower, radiant: RA 152°, dec +22°, maximizes on the two days around Nov. 17 each year. The associated meteoroid stream is the dust debris from comet Tempel-Tuttle (1866 I) and storms occur when the Earth intersects the stream near the parent comet. This comet has an orbital period of 33 years. The last storm occurred in 1999. Spectacular storms occurred in 1799, 1833, 1866 and also in 1996; 1899 and 1933 were years of only mediocre displays.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Leonids

 

a meteor shower whose radiant is in the constellation Leo. Observed in the middle of November, the Leonids are related to the comet 1866 I, which has a period of 33 years. The dense swarm of meteoric bodies occupies a small part of the comet’s orbit; meteor showers were observed during the comet’s encounters with the earth in 1799, 1833, 1866, and 1966. An insignificant number of meteors have been evident in other years.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

Leonids

[′lē·ə·nədz]
(astronomy)
A meteor shower, the radiant of which lies in the constellation Leo; it is visible between November 10 and 15.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
NOVEMBER 17/18 - LEONID METEOR SHOWER THE Leonid Meteor Shower is visible between November 6 and 30.
Or around November 17th you might spot a few meteors from the usually mild output--but at thrice-a-century intervals sky-filling downpours--of the Leonid meteor shower. What's most meteorically important of all?
Sky-gazers are set to be treated to an astronomical delight this weekend, with the Leonid meteor shower on its way.
On the other hand, the second meteor shower will be seen over Qatar sky during this month is Leonid meteor shower, which will arrive its peak from evening Saturday, November 17, 2018, till dawn of Sunday, November 18.
She came up with the idea of creating artificial meteor showers while watching the Leonid meteor shower while she was still a student in Astronomy at the University of Tokyo.
The sighting comes at the height of the Leonid meteor shower, which peaks in mid-November, reported the Daily Mail .
Jordanians look at the desert sky during the Leonid meteor shower, near Amman, in the early hours of August 12 Image Credit: Reuters/Ali jareji Staff Report
November 16 - Leonid Meteor Shower The second meteor shower of the month could give observers a chance to see up to 15 shooting stars each hour.
The annual Leonid meteor shower will be visible late at night and into the early hours of the 17th.
MartinSteer huddersfield examiner See the Leonid meteor shower over Huddersfield - find out more about the astronomical spectacle It's going to be raining most of the night (and tomorrow).
The Leonid meteor shower will reach its apex tomorrow as fragments of space rock travelling at around 158,000mph burn up in our atmosphere.